Patent US3526726A successfully refreshed from Google Patents.
US4013083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hair dryer
Assignee: Individual
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Filing: 1975-10-08
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Granted: 1977-03-22
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Expires: 1995-10-08
Abstract
Abstract A hair brush or comb with apertures between its bristles or teeth is connected by a hose to an outlet of a blower which includes a heater for the generated airflow. The heater and the blower motor can be adjusted, independently or jointly, to provide different flow rates at a desired air temperature.
Inventors
- 👤 Edward Helbling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/52; A45D20/22; A45D20/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
141 words
In a hair-grooming implement including a housing, impeller means in said housing for creating an airflow, heating means for said airflow in said housing in cascade with said impeller means, a hollow body with at least one outlet, and a conduit extending from said housing to said body for conveying a flow of hot air to said outlet, the combination therewith of first control means for variably energizing said heater means, second control means for variably energizing said impeller means, manual operating means coupled with one of said control means for adjusting same independently of the other of said control means, and link means for selectively coupling said other of said control means with said operating means for simultaneous adjustment of both said control means to vary the energization of said heater means and said impeller means in the same sense.
Claim 2
Dependent Claim
141 words
In a hair-grooming implement including a housing, impeller means in said housing for creating an airflow, heating means for said airflow in said housing in cascade with said impeller means, a hollow body with at least one outlet, and a conduit extending from said housing to said body for conveying a flow of hot air to said outlet, the combination therewith of first control means for variably energizing said heater means, second control means for variably energizing said impeller means, manual operating means coupled with one of said control means for adjusting same independently of the other of said control means, and link means for selectively coupling said other of said control means with said operating means for simultaneous adjustment of both said control means to vary the energization of said heater means and said impeller means in the same sense.
Claim 3
Dependent Claim
29 words
The combination defined in claim 1, further comprising decoupling means for making said link means ineffectual in a predetermined position of adjustment of said one of said control means.
Claim 4
Dependent Claim
18 words
The combination defined in claim 1 wherein said first and second control means comprise a pair of potentiometers.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-03-21 | 1980-09-20 | 1981-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-21 | 1984-09-20 | 1985-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-21 | 1988-09-20 | 1989-03-22 | $7700.00 | Window Closed / Lapsed |